Add 56/48 and 15/21
1st number: 1 8/48, 2nd number: 15/21
56/48 + 15/21 is 79/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 21 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
56/48 = 56 × 7/48 × 7 = 392/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
15/21 = 15 × 16/21 × 16 = 240/336 - Add the two like fractions:
392/336 + 240/336 = 392 + 240/336 = 632/336 - 632/336 simplified gives 79/42
- So, 56/48 + 15/21 = 79/42
In mixed form: 137/42
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